Police say Alan Monas lost control of the motorcycle he was riding at about 9:15 a.m. Saturday on the northbound Exit 4 off ramp and crashed.

The victim was taken to the Catholic Medical Center where he was pronounced dead.

Police say that just before the crash, Monas had been given a speeding ticket on the F.E. Everett Turnpike for traveling 86 miles an hour.

The cause of the crash is under investigation.

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Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev rested their case in his federal death penalty trial Tuesday after presenting a brief case aimed at showing his late older brother was the mastermind of the 2013 terror attack.